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CERN Document Server 2,031 ჩანაწერია ნაპოვნი  1 - 10შემდეგიდასასრული  ჩანაწერთან გადასვლა: ძიებას დასჭირდა 0.51 წამი. 
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Temperature measurement on copper surfaces for superconducting thin film cavity applications / Bianchi, Antonio (CERN) ; Vandoni, Giovanna (CERN) ; Venturini Delsolaro, Walter (CERN)
Superconducting radio-frequency (SRF) thin film cavities on copper substrates are employed in several particle accelerators. However, these SRF cavities historically featured a progressive performance degradation with the accelerating field that is still not completely understood. [...]
arXiv:2304.14229.- 2023-09-27 - 12 p. - Published in : Meas. Sci. Technol. 35 (2024) 015901 Fulltext: Publication - PDF; 2304.14229 - PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Thermal Mapping Studies on Nb/Su SRF Cavities / Bianchi, Antonio (CERN) ; Chiodini, Marco (CERN) ; Vandoni, Giovanna (CERN) ; Venturini Delsolaro, Walter (CERN)
A thermal mapping system is one of the most useful diagnostic tools to identify the mechanisms responsible of performance degradation in superconducting radio frequency (SRF) cavities. Unlike most of the thermal mapping systems currently in operation, we want to develop a system for mapping copper coated SRF cavities. [...]
2022 - 5 p. - Published in : JACoW SRF 2021 (2022) 796-800 Fulltext: PDF;
In : 20th International Conference on RF Superconductivity (SRF 2021), Online, US, 28 Jun - 2 Jul 2021, pp.796-800
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Thickness effect on superconducting properties of niobium films for radio-frequency cavity applications / Bianchi, Antonio (INFN, Milan) ; Bonura, Marco (U. Geneva (main)) ; Carlos, Carlota P.A. (U. Geneva (main) ; CERN) ; Leith, Stewart (CERN) ; Rosaz, Guillaume (CERN) ; Senatore, Carmine (U. Geneva (main)) ; Venturini Delsolaro, Walter (CERN)
Niobium-coated copper radio-frequency cavities are cost-effective alternatives to bulk niobium cavities, given the lower material costs of copper substrates and their operation in liquid helium at around 4.2 K. However, these cavities historically exhibited a gradual degradation in performance with the accelerating field. [...]
arXiv:2403.11245.- 2024-06-27 - 10 p. - Published in : Supercond. Sci. Technol. 37 (2024) 085005 Fulltext: 2403.11245 - PDF; Publication - PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Temperature Mapping on a Niobium-Coated Copper Superconducting Radio-Frequency Cavity / Bianchi, Antonio (CERN) ; Venturini Delsolaro, Walter (CERN)
Since the late '80s, CERN has pioneered the development of niobium thin film radio-frequency (RF) cavities deposited on copper substrates for several particle accelerator applications. However, niobium thin film cavities historically feature a progressive performance degradation as the accelerating field increases. [...]
arXiv:2305.09597.- 2023-10-10 - 15 p. - Published in : Sci. Rep. 13 (2023) 17075 Fulltext: document - PDF; 2305.09597 - PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Development of sputtered Nb$_{3}$Sn films on copper substrates for superconducting radio-frequency applications / Ilyina-Brunner, Katsiaryna (CERN) ; Rosaz, Guillaume (CERN) ; Busom Descarrega, Josep (CERN) ; Vollenberg, Wilhelmus (CERN) ; Lunt, Alexander J G (CERN) ; Leaux, Floriane (CERN) ; Calatroni, Sergio (CERN) ; Venturini-Delsolaro , Walter (CERN) ; Taborelli, Mauro (CERN)
Superconducting radiofrequency (SRF) cavities that could provide a higher quality factor as well as a higher operational accelerating gradient at an affordable cost are in high demand for the future generation of particle accelerators. This study aims to demonstrate the potential of Nb3Sn as material of choice for such SRF applications. [...]
2019 - 10 p. - Published in : Supercond. Sci. Technol. 32 (2019) 035002 Fulltext: PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Development of Transition Edge Sensors for Quench Localization on SRF Cavities / Ozelci, Ece
The development of future Superconducting Radio Frequency (SRF) cavities for particle accelerators requires their intensive cryogenic testing [...]
CERN-THESIS-2018-148 - 84 p.

Fulltext
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Detection of Second Sound in He-II for Thermal Quench Mapping of Superconducting Radio Frequency Accelerating Cavities / Stegmaier, Tobias
The development of future particle accelerators requires intensive testing of superconducting radio frequency cavities with different sizes and geometries [...]
CERN-THESIS-2017-275 - 81 p.

Fulltext
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Semi-Dry Cooling Solutions for Future Superconducting Accelerator Structures / Chioteli, Maria (CERN) ; Koettig, Torsten (CERN) ; Onufrena, Aleksandra (CERN) ; Naydenov, Boyan (CERN) ; Adam, Thomas (CEA INAC, Grenoble) ; Bremer, Johan (CERN)
Cryogenic dry cooling solutions for Superconducting RF cavities allow for synergies with modern cavity production methods based on vacuum coating and A15 SC layer deposition methods. A proof-of-concept cryogenic performance test stand will study relevant parameters of low-temperature cooling loops with respect to the RF performance of a 1.3 GHz prototype cavity. [...]
2024 - 4 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 3500504
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Reverse coating technique for the production of Nb thin films on copper for superconducting radio-frequency applications / Fonnesu, D (CERN) ; Baris, A (CERN) ; Calatroni, S (CERN) ; Lain Amador, L (CERN) ; Pfeiffer, S (CERN) ; Rosaz, G (CERN) ; Bonura, M (U. Geneva (main)) ; Senatore, C (U. Geneva (main))
In the framework of the Future Circular Collider Study, the development of thin-film coated superconducting radio-frequency copper cavities capable of providing higher accelerating fields (10–20 MV m$^{−1}$ against 5 MV m$^{−1}$ for the Large Hadron Collider) represents a major challenge. The method investigated here for the production of seamless niobium-coated copper cavities is based on the electroforming of the copper structure around a sacrificial aluminium mandrel that is pre-coated with a niobium thin film. [...]
2022 - 11 p. - Published in : Supercond. Sci. Technol. 35 (2022) 125003 Fulltext: PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Planar deposition of Nb thin films by HiPIMS for superconducting radiofrequency applications / Carlos, Carlota P A (CERN ; U. Geneva (main)) ; Leith, Stewart (CERN) ; Rosaz, Guillaume (CERN) ; Pfeiffer, Stephan (CERN) ; Senatore, Carmine (U. Geneva (main))
Cost efficiency and sustainability are critical challenges for future accelerator machines. Nb-coated Cu (Nb/Cu) superconducting radiofrequency (SRF) accelerating cavities, while requiring R&D; to meet high acceleration gradient performance standards, show potential for addressing these challenges. [...]
2024 - 12 p. - Published in : Vacuum 227 (2024) 113354 Fulltext: PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები

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